METHOD OF TREATING QUANTUM DOT-CONTAINING AQUEOUS SOLUTION

    公开(公告)号:US20230174860A1

    公开(公告)日:2023-06-08

    申请号:US17921968

    申请日:2021-03-22

    IPC分类号: C09K11/88 C09K11/08

    摘要: A method of treating an aqueous solution containing quantum dots, the method includes: a dissolution liquid preparation step of dissolving a quaternary ammonium salt and a potassium salt in an aqueous solution containing quantum dots to prepare a dissolution liquid; a phase separation step of heating the dissolution liquid to separate the dissolution liquid into two phases, which are a quaternary ammonium salt phase containing a large amount of the quaternary ammonium salt and a potassium salt phase containing a large amount of the potassium salt, and also to cause the quantum dots to be included in either one of the quaternary ammonium salt phase and the potassium salt phase; and a fractionation step of separating the quaternary ammonium salt phase and the potassium salt phase by fractionation.

    HEAT STORAGE PACK, COLD STORAGE PACK, LOGISTIC PACKAGING CONTAINER, LOGISTIC SYSTEM, AND LOGISTIC METHOD

    公开(公告)号:US20210107720A1

    公开(公告)日:2021-04-15

    申请号:US16499267

    申请日:2018-03-26

    IPC分类号: B65D81/18 F25D3/06

    摘要: A heat or cold storage pack is provided that contains a latent thermal storage material that can be restored during transport to prolong a heat or cold storage function thereof and that exhibits a reduced temperature change in a phase transition thereof to reliably maintain the temperature of an object to be kept warm or cold in a temperature range in which the object should be kept. The heat storage pack is for use in a logistic packaging container to adjust the temperature of an object to be kept warm and includes: a latent thermal storage material having a difference of less than 1° C. between a solidification temperature at which the latent thermal storage material starts changing phase from liquid to solid and an onset temperature of melting at which the latent thermal storage material starts changing phase from solid to liquid; and a housing section configured to house the latent thermal storage material, wherein the latent thermal storage material is selected in accordance with a temperature range in which the object to be kept warm should be kept in such a manner that the solidification temperature is in the temperature range in which the object to be kept warm should be kept and that the onset temperature of melting is lower than an upper limit of the temperature range in which the object to be kept warm should be kept.

    LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY, AND ELECTRONIC DEVICE

    公开(公告)号:US20190317349A1

    公开(公告)日:2019-10-17

    申请号:US16313424

    申请日:2017-06-29

    摘要: A liquid crystal composition contains liquid crystal molecules. The liquid crystal molecules include 17 mol % or more of first liquid crystal molecules represented by the following formula with respect to the whole liquid crystal molecules: R1—R2x—R3—R4y—R5  (A) (where R1 and R5 are linear alkyl groups containing 1 to 8 carbon atoms; R2 and R4 are trans-1,4-cyclohexylene groups or 1,4-phenylene groups; R3 is a trans-1,4-cyclohexylene group, a 1,4-phenylene group, a 2,3-difluoro-trans-1,4-cyclohexylene group, a 2,3-difluoro-1,4-phenylene group, a 2,3-dichloro-trans-1,4-cyclohexylene group, or a 2,3-dichloro-1,4-phenylene group; x is an integer of 0 to 3; and y is an integer of 0 to 3).

    COLD STORAGE MATERIAL AND COLD STORAGE PACK

    公开(公告)号:US20210130671A1

    公开(公告)日:2021-05-06

    申请号:US16625645

    申请日:2018-06-22

    IPC分类号: C09K5/06 A61F7/10

    摘要: A cold storage material and a cold storage pack are provided where a single cooling medium (cold insulation pack) containing a cold storage material having a plurality of melting points can keep an object at a low temperature that is suited to a situation. The cold storage material changes phase at a prescribed temperature and contains: water; a base compound containing a quaternary ammonium salt that forms a semi-clathrate hydrate; and a supercooling inhibitor that suppresses supercooling, wherein the cold storage material has one or more melting points depending on a temperature range in which the cold storage material has been frozen. These features allow the user to set the melting point of the cold storage material as he/she wants, by properly changing the freezing temperature for intended usage

    COOLER CONTAINER, COLD TRAY, AND RED WINE SERVER

    公开(公告)号:US20190313818A1

    公开(公告)日:2019-10-17

    申请号:US16314197

    申请日:2017-06-27

    IPC分类号: A47G19/22 F25D31/00 F25D3/08

    摘要: There are provided a cooler container, cold tray, and red wine server in which it is possible to adjust the temperature of an outer surface on the buffer layer side of the container to a temperature that differs from the melting point of a freezing material. The cooler container adjusts temperature of an object to be cooled that includes a beverage or food product, the cooler container having at least a region with a hollow structure, the cooler container including: a thermal storage layer in the region, the thermal storage layer containing a freezing material that changes phase at a specific temperature; and at least one buffer layer in the region, the at least one buffer layer being separated from the thermal storage layer in the region and containing an antifreeze material that is a fluid at a phase transition temperature of the freezing material. The provision of the at least one intervening buffer layer enables the temperature of the outer surface on the buffer layer side of the container to differ from the melting point of the freezing material.